Dec 13 07:11:08.947 INFO testing plopgrizzly/nahar against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 07:11:08.947 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 07:11:09.200 INFO [stdout] 9fa321c3c3ccf14df6eb631c09bd59b9ce4997c5b809e337f699da0ef5d9d478
Dec 13 07:11:09.202 INFO running `"docker" "start" "-a" "9fa321c3c3ccf14df6eb631c09bd59b9ce4997c5b809e337f699da0ef5d9d478"`
Dec 13 07:11:09.749 INFO [stderr] usermod: no changes
Dec 13 07:11:09.786 INFO [stderr]    Compiling nr v0.1.0 (/source)
Dec 13 07:11:10.019 INFO [stderr] warning: unused import: `std::fs`
Dec 13 07:11:10.019 INFO [stderr]  --> src/main.rs:8:5
Dec 13 07:11:10.019 INFO [stderr]   |
Dec 13 07:11:10.019 INFO [stderr] 8 | use std::fs;
Dec 13 07:11:10.019 INFO [stderr]   |     ^^^^^^^
Dec 13 07:11:10.019 INFO [stderr]   |
Dec 13 07:11:10.019 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:11:10.019 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:43:6
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Dec 13 07:11:10.079 INFO [stderr]    |         ----^^^^^^^^^^
Dec 13 07:11:10.079 INFO [stderr]    |         |
Dec 13 07:11:10.079 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:11:10.079 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variant is never constructed: `Mod`
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:18:2
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 18 |     Mod, // mod - module exports
Dec 13 07:11:10.079 INFO [stderr]    |     ^^^
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:11:10.079 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variant is never constructed: `Obj`
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:19:2
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 19 |     Obj, // obj - object exports
Dec 13 07:11:10.079 INFO [stderr]    |     ^^^
Dec 13 07:11:10.079 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variant is never constructed: `Dep`
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:20:2
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 20 |     Dep, // dep - dependency imports
Dec 13 07:11:10.079 INFO [stderr]    |     ^^^
Dec 13 07:11:10.079 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variant is never constructed: `Fun`
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:21:2
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 21 |     Fun, // fun - function
Dec 13 07:11:10.079 INFO [stderr]    |     ^^^
Dec 13 07:11:10.079 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variant is never constructed: `Var`
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:22:2
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 22 |     Var, // var - variable
Dec 13 07:11:10.079 INFO [stderr]    |     ^^^
Dec 13 07:11:10.079 INFO [stderr] 
Dec 13 07:11:10.079 INFO [stderr] warning: variant is never constructed: `Con`
Dec 13 07:11:10.079 INFO [stderr]   --> src/main.rs:23:2
Dec 13 07:11:10.079 INFO [stderr]    |
Dec 13 07:11:10.079 INFO [stderr] 23 |     Con, // con - constant
Dec 13 07:11:10.080 INFO [stderr]    |     ^^^
Dec 13 07:11:10.080 INFO [stderr] 
Dec 13 07:11:10.080 INFO [stderr] warning: variant is never constructed: `Mac`
Dec 13 07:11:10.080 INFO [stderr]   --> src/main.rs:24:2
Dec 13 07:11:10.080 INFO [stderr]    |
Dec 13 07:11:10.080 INFO [stderr] 24 |     Mac, // mac - macro
Dec 13 07:11:10.080 INFO [stderr]    |     ^^^
Dec 13 07:11:10.080 INFO [stderr] 
Dec 13 07:11:10.080 INFO [stderr] warning: variant is never constructed: `Ffi`
Dec 13 07:11:10.080 INFO [stderr]   --> src/main.rs:25:2
Dec 13 07:11:10.080 INFO [stderr]    |
Dec 13 07:11:10.080 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Dec 13 07:11:10.080 INFO [stderr]    |     ^^^
Dec 13 07:11:10.080 INFO [stderr] 
Dec 13 07:11:10.080 INFO [stderr] warning: variant is never constructed: `Fvi`
Dec 13 07:11:10.080 INFO [stderr]   --> src/main.rs:26:2
Dec 13 07:11:10.080 INFO [stderr]    |
Dec 13 07:11:10.080 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Dec 13 07:11:10.080 INFO [stderr]    |     ^^^
Dec 13 07:11:10.080 INFO [stderr] 
Dec 13 07:11:10.080 INFO [stderr] warning: variant is never constructed: `Set`
Dec 13 07:11:10.080 INFO [stderr]   --> src/main.rs:27:2
Dec 13 07:11:10.080 INFO [stderr]    |
Dec 13 07:11:10.080 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Dec 13 07:11:10.080 INFO [stderr]    |     ^^^
Dec 13 07:11:10.080 INFO [stderr] 
Dec 13 07:11:10.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 13 07:11:10.982 INFO [stderr] su: No module specific data is present
Dec 13 07:11:11.328 INFO running `"docker" "inspect" "9fa321c3c3ccf14df6eb631c09bd59b9ce4997c5b809e337f699da0ef5d9d478"`
Dec 13 07:11:11.627 INFO running `"docker" "rm" "-f" "9fa321c3c3ccf14df6eb631c09bd59b9ce4997c5b809e337f699da0ef5d9d478"`
Dec 13 07:11:11.852 INFO [stdout] 9fa321c3c3ccf14df6eb631c09bd59b9ce4997c5b809e337f699da0ef5d9d478
Dec 13 07:11:11.854 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 07:11:11.988 INFO [stdout] 418b03da2cb1b51e0d35a4b3398da48c3c13f5ae1dfc03c26326caa7573ccb4c
Dec 13 07:11:11.988 INFO running `"docker" "start" "-a" "418b03da2cb1b51e0d35a4b3398da48c3c13f5ae1dfc03c26326caa7573ccb4c"`
Dec 13 07:11:12.574 INFO [stderr] usermod: no changes
Dec 13 07:11:12.615 INFO [stderr]    Compiling nr v0.1.0 (/source)
Dec 13 07:11:12.810 INFO [stderr] warning: unused import: `std::fs`
Dec 13 07:11:12.811 INFO [stderr]  --> src/main.rs:8:5
Dec 13 07:11:12.811 INFO [stderr]   |
Dec 13 07:11:12.811 INFO [stderr] 8 | use std::fs;
Dec 13 07:11:12.811 INFO [stderr]   |     ^^^^^^^
Dec 13 07:11:12.811 INFO [stderr]   |
Dec 13 07:11:12.811 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:11:12.811 INFO [stderr] 
Dec 13 07:11:12.879 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:11:12.879 INFO [stderr]   --> src/main.rs:43:6
Dec 13 07:11:12.879 INFO [stderr]    |
Dec 13 07:11:12.879 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Dec 13 07:11:12.879 INFO [stderr]    |         ----^^^^^^^^^^
Dec 13 07:11:12.879 INFO [stderr]    |         |
Dec 13 07:11:12.879 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:11:12.879 INFO [stderr]    |
Dec 13 07:11:12.879 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:11:12.879 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Mod`
Dec 13 07:11:12.883 INFO [stderr]   --> src/main.rs:18:2
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr] 18 |     Mod, // mod - module exports
Dec 13 07:11:12.883 INFO [stderr]    |     ^^^
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:11:12.883 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Obj`
Dec 13 07:11:12.883 INFO [stderr]   --> src/main.rs:19:2
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr] 19 |     Obj, // obj - object exports
Dec 13 07:11:12.883 INFO [stderr]    |     ^^^
Dec 13 07:11:12.883 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Dep`
Dec 13 07:11:12.883 INFO [stderr]   --> src/main.rs:20:2
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr] 20 |     Dep, // dep - dependency imports
Dec 13 07:11:12.883 INFO [stderr]    |     ^^^
Dec 13 07:11:12.883 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Fun`
Dec 13 07:11:12.883 INFO [stderr]   --> src/main.rs:21:2
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr] 21 |     Fun, // fun - function
Dec 13 07:11:12.883 INFO [stderr]    |     ^^^
Dec 13 07:11:12.883 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Var`
Dec 13 07:11:12.883 INFO [stderr]   --> src/main.rs:22:2
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr] 22 |     Var, // var - variable
Dec 13 07:11:12.883 INFO [stderr]    |     ^^^
Dec 13 07:11:12.883 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Con`
Dec 13 07:11:12.883 INFO [stderr]   --> src/main.rs:23:2
Dec 13 07:11:12.883 INFO [stderr]    |
Dec 13 07:11:12.883 INFO [stderr] 23 |     Con, // con - constant
Dec 13 07:11:12.883 INFO [stderr]    |     ^^^
Dec 13 07:11:12.883 INFO [stderr] 
Dec 13 07:11:12.883 INFO [stderr] warning: variant is never constructed: `Mac`
Dec 13 07:11:12.884 INFO [stderr]   --> src/main.rs:24:2
Dec 13 07:11:12.884 INFO [stderr]    |
Dec 13 07:11:12.884 INFO [stderr] 24 |     Mac, // mac - macro
Dec 13 07:11:12.884 INFO [stderr]    |     ^^^
Dec 13 07:11:12.884 INFO [stderr] 
Dec 13 07:11:12.884 INFO [stderr] warning: variant is never constructed: `Ffi`
Dec 13 07:11:12.884 INFO [stderr]   --> src/main.rs:25:2
Dec 13 07:11:12.884 INFO [stderr]    |
Dec 13 07:11:12.884 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Dec 13 07:11:12.884 INFO [stderr]    |     ^^^
Dec 13 07:11:12.884 INFO [stderr] 
Dec 13 07:11:12.884 INFO [stderr] warning: variant is never constructed: `Fvi`
Dec 13 07:11:12.884 INFO [stderr]   --> src/main.rs:26:2
Dec 13 07:11:12.884 INFO [stderr]    |
Dec 13 07:11:12.884 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Dec 13 07:11:12.884 INFO [stderr]    |     ^^^
Dec 13 07:11:12.884 INFO [stderr] 
Dec 13 07:11:12.884 INFO [stderr] warning: variant is never constructed: `Set`
Dec 13 07:11:12.884 INFO [stderr]   --> src/main.rs:27:2
Dec 13 07:11:12.884 INFO [stderr]    |
Dec 13 07:11:12.884 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Dec 13 07:11:12.884 INFO [stderr]    |     ^^^
Dec 13 07:11:12.884 INFO [stderr] 
Dec 13 07:11:13.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 13 07:11:13.114 INFO [stderr] su: No module specific data is present
Dec 13 07:11:13.675 INFO running `"docker" "inspect" "418b03da2cb1b51e0d35a4b3398da48c3c13f5ae1dfc03c26326caa7573ccb4c"`
Dec 13 07:11:13.941 INFO running `"docker" "rm" "-f" "418b03da2cb1b51e0d35a4b3398da48c3c13f5ae1dfc03c26326caa7573ccb4c"`
Dec 13 07:11:14.217 INFO [stdout] 418b03da2cb1b51e0d35a4b3398da48c3c13f5ae1dfc03c26326caa7573ccb4c
Dec 13 07:11:14.219 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 07:11:14.636 INFO [stdout] 4b16f7cb98ac1182f0ff8b4743366484aae5d04556f88141603f8f5b3fb9f11b
Dec 13 07:11:14.644 INFO running `"docker" "start" "-a" "4b16f7cb98ac1182f0ff8b4743366484aae5d04556f88141603f8f5b3fb9f11b"`
Dec 13 07:11:15.079 INFO [stderr] usermod: no changes
Dec 13 07:11:15.111 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 07:11:15.111 INFO [stderr]      Running /target/debug/deps/nr-34eefc2f43a6978d
Dec 13 07:11:15.113 INFO [stdout] 
Dec 13 07:11:15.113 INFO [stdout] running 0 tests
Dec 13 07:11:15.113 INFO [stdout] 
Dec 13 07:11:15.113 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:11:15.113 INFO [stdout] 
Dec 13 07:11:15.115 INFO [stderr] su: No module specific data is present
Dec 13 07:11:15.495 INFO running `"docker" "inspect" "4b16f7cb98ac1182f0ff8b4743366484aae5d04556f88141603f8f5b3fb9f11b"`
Dec 13 07:11:15.642 INFO running `"docker" "rm" "-f" "4b16f7cb98ac1182f0ff8b4743366484aae5d04556f88141603f8f5b3fb9f11b"`
Dec 13 07:11:15.749 INFO [stdout] 4b16f7cb98ac1182f0ff8b4743366484aae5d04556f88141603f8f5b3fb9f11b